Ideas for Areas to Explore

• Implement "bump and turn" functionality with an accelerometer or an alternative board which contains an accelerometer like the (larger) Circuit Playground Express.
• Add additional servos to rotate the head and control the foot direction.
• Compare with the more advanced bluetooth remote control addition to the Hasbro R2-D2 by Chris Lydgate: The Resurrection of R2-D2 (YouTube).

Related Projects

• MUNNY Glowing Friend with Bluetooth Control!

Further Reading

• Introducing Adafruit Feather
• All the Internet of Things - Epsiode One: Bluetooth & BTLE
• Adafruit Bluetooth Low Energy (BLE) FAQ.